23957230019 has 4 divisors (see below), whose sum is σ = 24005241000. Its totient is φ = 23909219040.

The previous prime is 23957230013. The next prime is 23957230027. The reversal of 23957230019 is 91003275932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23957230019 - 2²⁰ = 23956181443 is a prime.

It is a super-2 number, since 2×23957230019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23957230013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24004742 + ... + 24005739.

It is an arithmetic number, because the mean of its divisors is an integer number (6001310250).

Almost surely, 2^23957230019 is an apocalyptic number.

23957230019 is a deficient number, since it is larger than the sum of its proper divisors (48010981).

23957230019 is an equidigital number, since it uses as much as digits as its factorization.

23957230019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48010980.

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 23957230019 in words is "twenty-three billion, nine hundred fifty-seven million, two hundred thirty thousand, nineteen".